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When should I use Struct vs. OpenStruct?

... @tokland good. I just wanted to clarify that now there is a nicer approach, seeing as your comment is highly up voted, so, people new to ruby can actually think "OK, so that's how it should be done, 'cause everyone agree with that, right?" :) – Iva...
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How to avoid explicit 'self' in Python?

...ereby break code. One extreme example: you can write a class without any knowledge of what base classes it might have, and always know whether you are accessing a member or not: class A(some_function()): def f(self): self.member = 42 self.method() That's the complete code! (some_funct...
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Reuse Cucumber steps

...en deprecated. The recommended way to call a step from within another step now looks like this: Given /^I login successfully$/ step "I login with valid credentials" end Old, deprecated method (for reference): You can call steps from other steps like this: Given /^I login successfully$/ ...
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How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags [duplicat

Imagine a simple unsorted list with some <li> items. Now, I have defined the bullets to be square shaped via list-style:square; However, if I set the color of the <li> items with color: #F00; then everything becomes red! ...
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How do I install pip on macOS or OS X?

...y have access to easy_install considering you are using macOS/OSX. ℹ️ Now, all you have to do is run the following command. sudo easy_install pip After that, pip will be installed and you'll be able to use it for installing other packages. Let me know if you have any problems installing pip...
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Explanation of [].slice.call in javascript?

...ray, then iterate through the object it's running on (originally an array, now a NodeList) and keep appending the elements of that object to the empty array it created, which is eventually returned. Here's an article on this. EDIT: So it starts with an empty array [], then slice is used to co...
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iOS - forward all touches through a view

... a table view behind. You make the "holder" panel PassthroughView. It will now work, you can scroll the table "through" the "holder". But! On top of the "holder" panel you have some labels or icons. Don't forget, of course those must simply be marked user interaction enabled OFF! On top of the "ho...
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How do I calculate the date six months from the current date using the datetime Python module?

... I'm curious: does anyone know why this isn't included by default? Timedelta seems packaged with datetime by default. I actually assumed I could pass "months" into timedelta. – dTanMan Nov 12 '19 at 3:14 ...
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What is the difference between .text, .value, and .value2?

...book.Sheets(1) .Range(rngAddress).Offset(0, 1).ClearContents beginTime = Now For Each aCell In .Range(rngAddress).Cells If useValue2 Then aCell.Offset(0, 1).Value2 = aCell.Value2 + aCell.Offset(-1, 1).Value2 Else aCell.Offset(0, 1).Value = aCell.Value + aCell.Offset(-1, 1)...
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Is there a performance difference between a for loop and a for-each loop?

... Yes, but that counter is now visible outside of the loop. Sure, it's a simple fix but so is for-each! – Indolering Nov 4 '12 at 5:19 ...